<!doctype html>
<html lang="zh-hans">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>聊天室 | 登录</title>
</head>
<body>
  <form method="post" action="do-login">
      <input type="text" name="username" id="username">
      <input type="password" name="password" id="password">
      <button>登录</button>
  </form>

</body>
</html>